Chargeback Specialist

Join Colibrix One - Innovating the Future of Payments

At Colibrix One, we're building advanced, AI-powered payment technologies that support Payment Service Providers (PSPs), Electronic Money Institutions (EMIs), and neobanks across the EU and the UK. As a fully licensed EMI (FCA reference number 927920) and a Principal Member of Mastercard, we offer real-world financial solutions that include:

• Global card processing
• Digital wallet infrastructure
• Cross-border merchant accounts
• Alternative payment methods (APMs)
• Corporate accounts for legal entities

We're a fast-growing team with a passion for innovation, security, and scalability. Our culture values curiosity, collaboration, and impact - and we're looking for talented professionals who are ready to shape the future of fintech.

The Role:

As a Chargeback Specialist, you will handle disputes in line with IPCO regulations, analyze transaction data, and work with banks and merchants to resolve chargebacks. You’ll monitor patterns, improve dispute processes, and stay updated on industry rules to maximize win rates in a fast-paced fintech setting.

Key Responsibilities:

• Handle all incoming disputes(chargebacks) in accordance with IPCO regulations
• Analyze transaction data to prepare compelling representments and supporting documentation
• Monitor chargeback ratios across merchant activity and identify patterns or spikes that require further investigation
• Collaborate with the associate departments
• Communicate with acquiring banks, processors, and merchants to resolve dispute-related queries
• Continuously evaluate dispute procedures and suggest improvements to increase dispute win rates
• Stay up to date with IPCO rules, regulatory updates, and industry best practices regarding dispute management
• Perform any other related duties or responsibilities as assigned

What you need to succeed in this role:

• Minimum 2 years of experience in dispute management, preferably within a PSP, EMI, or acquiring bank
• Higher education in banking or economics is considered a plus
• Strong understanding of IPCO regulations and dispute processes
• High attention to detail with strong organizational and documentation skills
• Ability to analyze transaction flows, spot anomalies, and present findings clearly
• Comfortable working in a fast-paced environment and managing multiple cases simultaneously
• Excellent written communication skills in a formal and professional style
• Strong problem-solving mindset and ability to work independently while remaining aligned with team goals and guidance
• Fluency in English and Russian (additional languages are considered a plus)
• Proficiency in Microsoft Office, with strong expertise in Excel highly desirable
• Experience working in a regulated financial environment is a plus

What we offer:

• Opportunity to shape the future of fintech solutions within a growing company
• A collaborative and supportive team environment
• English / Spanish classes
• Opportunity to receive reimbursement for work-related training/courses
• Option to work in a hybrid model based on mutual agreement with the direct coordinator

Salary starting from €1,800 gross monthly.